Bestsellers
Private Investigation
Betrayal
Mystery
Mystery, Thriller & Suspense
Police Corruption
Thriller
Common themes among these books on private investigation include: solving mysteries, uncovering conspiracies, navigating dangerous situations and criminal underworlds, protecting clients from threats and danger, dealing with personal struggles and past traumas, and using unique skills or abilities (such as supernatural powers or animal partners) to solve cases. Many of the books feature strong and complex protagonists who are skilled in their work but also have flaws and personal challenges to overcome. The settings range from modern-day cities to historical eras, and the types of cases vary widely from missing persons to murders to financial scams.
